Can Trailair Flex Air # LC328492 Replace Lippert 1621HD Pin Box on a 2017 Jayco Seismic Wave 355W  

When it comes to a replacement or an upgrade pin box you'll need to determine the pin box that you currently have. You will need to find the pin box's manufacturer name along with the pin box number which is typically located on a sticker on…

The Lippert 5th Wheel Pin Box #LC1191201 referenced in your question is a direct replacement for a factory Lippert model 1716 pin box. Different pin box models have varying mounting hole dimensions so when looking for a replacement you first need to…

Installation of a replacement pin box like the Lippert 1621 5th Wheel Pin Box - 18,000 lbs #LC1191151 does not raise the overall height of a 5th wheel trailer, but it may give more adjustability to the height of the king pin. I've attached an…

I have included some images with the dimensions of both the Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box #GY58GR and a 1621 Pin Box #LC1191151. Hopefully these images with measurements will help you find the measurement you are looking…

By 'drawing', I'm assuming you're needing the bolt hole spacing, is that correct? Lippert won't provide a build sheet, because that's considered proprietary information, but I've provided a diagram showing the bolt hole…

Even though you weren't able to find a sticker or label on your pin box to determine the make and model number, I have a solution to be able to determine which pin box is on your 2011 Dutchman Voltage 3900. Selecting the style pin box and then…

The Curt Flex Air 5th Wheel Pin Box - Lippert 1621, #LC328492, and other Curt Flex Air 5th Wheel Pin Boxes are designed to be direct replacements to your current pin box. The long jaw models, medium jaw descriptors you refer to simply identify the…

If you are unable to contact your trailer's manufacturer with your VIN to find the factory pin box model number there are some steps you can take which will allow you to determine what pin box model you have so you can purchase a new FlexAir. To…

Replacement pin boxes like #LC158778 fit specific trailer pin box models so the truck and 5th wheel hitch do not matter. You will need to look at the pin box currently on the trailer and get the manufacturer and model number off of it. Then you can…

Chucking and jarring while towing a 5th wheel trailer (or any trailer for that matter) is unavoidable because the trailer itself is not one piece with your vehicle. When your truck starts to move forward from a stop your trailer is still sitting…

What you were experience is what is known as chucking. This is not something unusual and it can be caused by your 5th wheel jaw(s) not being very snug around the king pin, and/or the head of your 5th wheel does not move or pivot very much. When you…

I believe the OEM brake controller on a Ram truck can handle up to 3 axle trailers, but for certain they'll be able to handle tandem axles with no problem.